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Old 10-17-2003, 01:05 AM
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Join Date: Dec 2002
Location: eugene oregon
Posts: 66
heater fan does not work with new push button

So I got a new ACC unit today. But my fan does not work at all. The fan worked before. I took it out cleaned it checked brushes. Its good. Checked to see if it was getting power. Its not. What would cause this?
This is in a 85 300D
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Old 10-17-2003, 01:13 AM
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
Bad fuse. I don't know if there is a separate metal strip fuse for the fan on a W123, but I know there is on the W124 -- the blower stopped running on the TE after I changed the water pump, fuse had cracked.

1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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Old 10-17-2003, 01:32 AM
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Join Date: Dec 2002
Location: eugene oregon
Posts: 66
im not sure if there is any other fuses. Im going crazy with this project. I had the dash off replacing vacuum motors. It worked but then the push buttons stopped working. So i got a new one. I can hear it do its thing but i have not power to the blower. I made sure the blower was fine. checked brushes hooked up to power it spun. I pulled the glove box. What is the black box then to the silver box. I know the silver is the temp control.
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